/*
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.gudy.azureus2.core3.disk;

import org.gudy.azureus2.plugins.peers.PeerReadRequest;

/**
 * 
 * This class represents a Bittorrent Request. and a time stamp to know when it was created.
 * 
 * Request may expire after some time, which is used to determine who is snubbed.
 * 
 * @author Olivier
 * 
 * 
 */
public interface DiskManagerReadRequest extends PeerReadRequest, DiskManagerRequest {
    public int getPieceNumber();

    public int getOffset();

    public int getLength();

    public long getTimeCreated(final long now);

    /**
     * If flush is set then data held in memory will be flushed to disk during the read operation
     * 
     * @param flush
     */

    public void setFlush(boolean flush);

    public boolean getFlush();

    public void setUseCache(boolean cache);

    public boolean getUseCache();

    /**
     * We override the equals method 2 requests are equals if all their bt fields (piece number, offset, length) are equal
     */
    public boolean equals(Object o);

    public int hashCode();
}